Monday, October 3, 2005, 03:33 PMLinks below which I have found intresting:
Speed Camera Map Check route beforehand for cameras
Mobile Mast Finder Positions of masts, if you are worried about effects.
Lightning Tracker UK Plots the positions of lightning strikes, helpfull to know occasionally
Tropospheric Ducting Ducting which affects AM/UHF/VHF tranmissions